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【简答题】
如图是物质A发生化学反应的示意图，图中不同的圆表示不同的原子，根据图回答下列问题：（图中的△表示加热） （1）上图所示的反应属于______反应（填基本反应类型）； （2）上述物质中，属于单质的有______； （3）以上图为例分析，你能总结出的一条结论有______； （4）若图中 表示汞原子， 表示氧原子，则反应的文字表达式为______．
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【单选题】Medical experts have amassed evidence concluding that users of smokeless tobacco be more prone to heart disease, hypertension, and mouth cancers than people who do not use smokeless tobacco.
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be more prone to heart disease, hypertension, and mouth cancers
B.
are proner to heart disease, hypertension, and mouth cancers
C.
are more prone to heart disease, hypertension, and mouth cancers
D.
experience heart disease, hypertension, and mouth cancers at heightened rates
E.
suffer heart disease, hypertension, and mouth cancers at a higher risk
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A.
evident
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evidence
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evidently
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【单选题】In Paragraph One, the sentence 'Experts long have been concerned about such growth', the phrase 'concerned about' is similar in meaning to________.
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most of the companies have taken legal action to mitigate potential challenges
B.
one third of the companies said they had not changed their policies
C.
most of the companies have taken measures to avoid potential legal challenges
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A.
Young people at the age of 18 are emotionally ready for marriage.
B.
Young couples should have well-paid jobs before they get married.
C.
A low legal marriage age threshold would result in higher divorce rates.
D.
A lowered legal marriage age would reduce social problems.
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【单选题】设分别有A、B、C、D 4个目标,用经纬仪采用全圆方向法观测水平角时,以A为零方向,则盘左的观测顺序为( )
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【单选题】Which of the following is NOT the opinion of the experts who are against the current legal age for marriage?
A.
The current marriage age threshold is responsible for the rising number of singles and premarital cohabitation.
B.
The current marriage age threshold is responsible for the health problems of women and children.
C.
The current marriage age threshold is responsible for the increasing number of women giving birth to children around 35.
D.
The current minimum legal marriage age for males and females should be equal.
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【单选题】设分别有A、B、C、D 4个目标,用经纬仪采用全圆方向法观测水平角时,以A为零方向,则盘左的观测顺序为( )
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B.
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【单选题】In Paragraph One, the sentence 'Experts long have been concerned about such growth', the phrase 'concerned about' is similar in meaning to________.
A.
worried about
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related to
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D.
made a study of
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【单选题】In face of potential legal challenges, ______.
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【简答题】What suggestions have been made by experts?
查看完整题目与答案
【单选题】Which of the following best describes the opinion of the experts who support the current legal age?
A.
Young people at the age of 18 are emotionally ready for marriage.
B.
Young couples should have well-paid jobs before they get married.
C.
A low legal marriage age threshold would result in higher divorce rates.
D.
A lowered legal marriage age would reduce social problems.
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查看完整题目与答案
【单选题】设分别有A、B、C、D 4个目标,用经纬仪采用全圆方向法观测水平角时,以A为零方向,则盘左的观测顺序为( )
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【单选题】Which of the following is NOT the opinion of the experts who are against the current legal age for marriage?
A.
The current marriage age threshold is responsible for the rising number of singles and premarital cohabitation.
B.
The current marriage age threshold is responsible for the health problems of women and children.
C.
The current marriage age threshold is responsible for the increasing number of women giving birth to children around 35.
D.
The current minimum legal marriage age for males and females should be equal.
查看完整题目与答案